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Most people however do not really know much about the solar system. They do not know which systems are or what they do. And they do not realize that their power company charges them a higher rate for the more energy they use. So the first advice I give homeowners are learning to read their utility bills. Another thing is of course to do small things first to reduce their consumption. Saving energy through efficiency can reduce their electricity bill. This includes making the home more energy efficient. Isolation can weather stripping and update old appliances reduce energy costs at a minimal cost. Detail information, see link of Can Liberals Really Be Green?